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  1. Nov 2017
    1. Here, we quantify energy intake in 144 wild Pacific bluefin tuna in the CCLME on over 39,000 days (fig. S1), using HIF measurements from implanted archival tags. We estimate energy intake using a model developed with laboratory data collected from similar-sized bluefin tuna (22) at a range of ambient temperatures.

      By analyzing the temperatures of digestion in bluefin tuna, the author can draw conclusions as to what the tuna is eating, how much energy is gained from the meal, and how often the tuna eats. HIF means heat increment of feeding.